设<img src="/lqwvjeImg/2d/2dc95bfd8021c3bfad820ce2bf9d1613.png" >是<img src="/lqwvjeImg/e7/e754c141f35d8f3ac1e538dd1c80f8b7.png" >中的可测集,<img src="/lqwvjeImg/04/04dfeb129c8536a8fa8977f3bbead296.png" >为<img src="/lqwvjeImg/2d/2dc95bfd8021c3bfad820ce2bf9d1613.png" >上的可测函数,若<img src="/lqwvjeImg/9a/9a4ad72961eb8c5426e4e3ed24faf73d.png" >,则( )<br>·在<img src="/lqwvjeImg/2d/2dc95bfd8021c3bfad820ce2bf9d1613.png" >上,<img src="/lqwvjeImg/61/614f846d26aef6891a9a14fa0a367640.png" ><br>·在<img src="/lqwvjeImg/2d/2dc95bfd8021c3bfad820ce2bf9d1613.png" >上,<img src="/lqwvjeImg/4b/4bcf56f25d82f38395dbef6f20a3222a.png" ><br>·在<img src="/lqwvjeImg/2d/2dc95bfd8021c3bfad820ce2bf9d1613.png" >上,<img src="/lqwvjeImg/17/1734d40a0af2077928f12e07caaabbc8.png" >不一定恒为零<br>·等于0